అర్థం : Not liable to failure.
ఉదాహరణ :
A foolproof identification system.
The unfailing sign of an amateur.
An unfailing test.
పర్యాయపదాలు : foolproof
అర్థం : Always able to supply more.
ఉదాహరణ :
An unfailing source of good stories.
A subject of unfailing interest.
అర్థం : Unceasing.
ఉదాహరణ :
Unfailing loyalty.
Unfailing good spirits.
Unflagging courtesy.
పర్యాయపదాలు : unflagging
Unfailing meaning in Telugu.